A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Encoding of Data Structure (DS) in the Path Computation Element Communication Protocol (PCEP)
Author(s) : Dhruv Dhody
Udayasree Palle
Filename : draft-dhody-pce-pcep-ds-00.txt
Pages : 17
Date : 2011-06-28
The ability to compute shortest constrained Traffic Engineering Label
Switched Paths (TE LSPs) in Multiprotocol Label Switching (MPLS) and
Generalized MPLS (GMPLS) networks across multiple domains has been
identified as a key requirement for P2P and P2MP scenarios.
Backward-Recursive PCE-Based Computation (BRPC) [RFC 5441] defines
VSPT [Virtual Shortest Path Tree] as a default de-facto data
structure for PCRep message in inter-domain scenarios.
This document defines extensions to the PCE communication Protocol
(PCEP) to allow multiple data structures. Extensions are defined for
PCE to indicate the set of Data Structure (DS) it supports; also PCC/
PCE can indicate in a path computation request the required DS, and a
PCE can report in a path computation reply the Data Structure that
was used in the path reply message.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-dhody-pce-pcep-ds-00.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-dhody-pce-pcep-ds-00.txt
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